Home / 1,299,232.98-1,792,868.78-718,422.48

Finding the Fourth Proportional to 1,299,232.98, 1,792,868.78 and 718,422.48

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Solution

The fourth proportional to 1,299,232.98, 1,792,868.78 and 718,422.48 is: 991,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,232.98 : 1,792,868.78 = 718,422.48 : x
  2. Step 2: Convert to fraction form
    1,299,232.98/1,792,868.78 = 718,422.48/x
  3. Step 3: Cross multiply
    1,299,232.98x = 1,792,868.78 × 718,422.48
  4. Step 4: Simplify right side
    1,299,232.98x = 1,288,037,237,038.23
  5. Step 5: Solve for x
    x = 1,288,037,237,038.23/1,299,232.98
  6. Step 6: Final answer
    x = 991,382.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.